20432401133433 has 16 divisors (see below), whose sum is σ = 28427810547840. Its totient is φ = 13029301321344.

The previous prime is 20432401133413. The next prime is 20432401133467. The reversal of 20432401133433 is 33433110423402.

It is a happy number.

It is not a de Polignac number, because 20432401133433 - 2⁹ = 20432401132921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20432401133394 and 20432401133403.

It is not an unprimeable number, because it can be changed into a prime (20432401133413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20719983 + ... + 21683691.

It is an arithmetic number, because the mean of its divisors is an integer number (1776738159240).

Almost surely, 2^{20432401133433} is an apocalyptic number.

20432401133433 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20432401133433 is a deficient number, since it is larger than the sum of its proper divisors (7995409414407).

20432401133433 is a wasteful number, since it uses less digits than its factorization.

20432401133433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271008.

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 20432401133433 its reverse (33433110423402), we get a palindrome (53865511556835).

The spelling of 20432401133433 in words is "twenty trillion, four hundred thirty-two billion, four hundred one million, one hundred thirty-three thousand, four hundred thirty-three".